{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell type", "RNA", "cell line", "DNA", "protein"], "input": "The kinetics of expression of the two genes were also slightly different, with c-fos mRNA reaching a peak at 15 min after stimulation and c-jun at 30 min."}
{"cell type": [], "RNA": ["c-fos mRNA"], "cell line": [], "DNA": ["c-jun"], "protein": []}